2012 Microchip Technology Inc. Advance Information DS30025A-page 1
PIC18(L)F2X/45K50
Universal Serial Bus Features:
• USB V2.0 Compliant
• Crystal-less Full Speed (12 Mb/s) and Low-Speed
Operation (1.5 Mb/s)
• Supports Control, Interrupt, Isochronous and Bulk
Transfers
• Supports up to 32 Endpoints (16 Bidirectional)
• 1 Kbyte Dual Access RAM for USB
• On-Chip USB Transceiver
Flexible Oscillator Structure:
• 3x and 4x PLL Clock Multipliers
• Two External Clock modes, Up to 48 MHz (12
MIPS)
• Internal 31 kHz Oscillator
• Internal Oscillator, 31 kHz to 16 MHz
- Factory calibrated to ± 1%
- Self-tune to ± 0.20% max. from USB or
secondary oscillator
• Secondary Oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if any clock stops
Peripheral Highlights:
• Up to 33 I/O Pins plus 3 Input-Only Pins:
- High-current Sink/Source 25 mA/25 mA
- Three programmable external interrupts
- 11 programmable Interrupt-on-Change
- 9 programmable weak pull-ups
- Programmable slew rate
•SR Latch
• Enhanced Capture/Compare/PWM (ECCP)
module:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
- Pulse steering control
• Capture/Compare/PWM (CCP) module
• Master Synchronous Serial Port (MSSP) module
Supporting 3-Wire SPI (all 4 modes) and I
2
C™
Master and Slave modes
• Two Analog Comparators with Input Multiplexing
• 10-Bit Analog-to-Digital (A/D) Converter module:
- Up to 25 input channels
- Auto-acquisition capability
- Conversion available during Sleep
• Digital-to-Analog Converter (DAC) module:
- Fixed Voltage Reference (FVR) with 1.024V,
2.048V and 4.096V output levels
- 5-bit rail-to-rail resistive DAC with positive
and negative reference selection
• High/Low-Voltage Detect module
• Charge Time Measurement Unit (CTMU):
- Supports capacitive touch sensing for touch
screens and capacitive switches
• Enhanced USART module:
- Supports RS-485, RS-232 and LIN/J2602
- Auto-wake-up on Start bit
- Auto-Baud Detect
Extreme Low-Power Management with
XLP:
• Sleep mode: 20 nA, typical
• Watchdog Timer: 300 nA, typical
• Timer1 Oscillator: 800 nA @ 32 kHz
• Peripheral Module Disable
Special Microcontroller Features:
• Low-Power, High-Speed CMOS Flash Technology
• C Compiler Optimized Architecture for Re-Entrant
Code
• Power Management Features:
- Run: CPU on, peripherals on, SRAM on
- Idle: CPU off, peripherals on, SRAM on
- Sleep: CPU off, peripherals off, SRAM on
• Priority Levels for Interrupts
• Self-Programmable under Software Control
• 8 x 8 Single-Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
• Single-Supply In-Circuit Serial Programming™
(ICSP™) via Two Pins
• In-Circuit Debug (ICD) with Three Breakpoints via
Two Pins
• Optional dedicated ICD/ICSP Port (44-Pin TQFP
Package Only)
• Wide Operating Voltage Range:
- F devices: 2.3V to 5.5V
- LF devices: 1.8V to 3.6V
• Flash Program Memory of 10,000 Erase/Write
Cycles Minimum and 20-year Data Retention
PIC18(L)F2X/45K50 USB Flash MCU Product Brief
